Lamp-bracket.



M. T. BREND'LINGER.

LAMP BRACKET.

' Arrmo non FILED 11.29, 1912.

1,055, 15 Patented Mar.4,1913.

25 Fab-.1.

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To ((7 1 'ich om it may concern upon asupporting frame. I

'i-i slidingl y mountedja. bracket, capable of bewhich vertical positionand partly'broken away.

clamp. Fig. 4 isan under plan view of Fig:

of the retaining ported or mounted at either end,

pedestals 3 of any suitable COIlStl'llCt-lOIl.

Cit

UNITED STATES Be 1 it known that l;- Muslim i1 T. 'Bnesnmxonmacitizenofthe United States, resid mg at P1tcan-n, 1n the county of Alleghenycertain new and 11seful Improvement's' in Lanfip Brac-kets, of which thefollowing is specification.) i

rMy invention has for itsobject to provide a simple and easily adjusteddevice for-hold 1g an electric lamp in'any desired position "Theinventione'ons1sts n providing a supporting-rod, post} orstemp uponwhich is ing lived at any desired position on-the rod,andfso'constructed that it. "may readily turned around the rod with 'thesupported lamp to anyangle;and there fixedly held;

One'preferred form of the invention illustrated in the accompanyingdrawing in Figure 1 representsthe device in side eleration, the supiiortlng stem being shown in Fi 2 isa vertica'l sectional view throughthe operative portion of the mechanism, partly broken away. Fig. 3 is adetailsection'al' view of the sliding lamp support and Fig. dis ?adetail view showing a 'modified construction of the tightening device ofthe sliding clamp. Fig. 6 is a sectional detail view showing a modifiedarrangement friction exerting spring for the lamp holder. 1; f

In carrying out my invention, I provide a cylindrical rod, stem or post.2 fixedlysupor both ends if desired, in one or more brackets or Suchbracket or pedestal may merely rest upon a horizontal surface or may, asshown in the drawings, be attached to a wall surface by securing screws,andmay be arranged vertically as shown, or horizontal, or otherwise.

The rod 2 is of any suitable or desired length, depending upon thedesired range of adjustment of the bracket.

Slidingly mounted upon the rod 2 is a hub 4 having a cylindrical openingtherethrough, adapting it tofit around the rod. One end of said hub isso constructed that it Specification of Letters Iatent it may be tightlyclamped around the rod, as

. by providing a series of slots 5 through a l PATENT orrrcE.

MOSHEIM 'r. :BR-ENDLINGEROF Fireman. PENNSYLVANIA.

' LAMP-BRACKET.

terminal tapered threaded portion (3, providing fieivibility. Atightening nut- 7 embraces saidportion and itwill be readily seenthatlby turning the nut in one direction- Cortheother, the hub ilniay betightened or loosened uponthe "rod whereby to provide fortheadjustmentand fixed location at any desired position.

In theconstruction shown in the principal figures 'of'the drawing, thenut 7 is shown as merely cylindrical with a knurled portion 8forgrasping which will ordinarily.

provide ample facilities for tightening or loosening. 'If desired,however, the nut may be provided with lateral wings or finger extensions8, as indicated in Fig. 5, or it may be made in any other suitablemanner.

Screwed into or otherwise secured to the hub 1 is a hollow cylindricalarm 9, and

through the end of said arm extends inwardly a-lamp holder supportingstem 10 having screwed upon its outer threaded terminal the lampsupporting knob or base 11, as clearly shown in Fig. 2. Stem 10 isprovided'at its inner end with a collar 12,

and a'terminal turning head 13. Bet-Ween the collar 12 and the inner endof arm 9 is inserteda :COllGd spring 14, adapted to exertsufliciencpressure to hold the knob 11 inwardly against the end of arm 9with considerable force and resisting friction. The

object of this construction is to insure the inaintenanceof position 'ofthe lamp when it'is turned in any direction around the longitudinal'axisof the bolt 10. As illustrated inv Fig. 6, Imay also provide a suitablewasher' 15 between the end of spring 14:

and collar 12, whereby to avoid any unnecessary binding or friction ofthe spring against the collar and insure its continuous functioning inholding the inner end of the knob tightly against the outer end of shell9, for frictional resistance.

The knob 11 is provided with a transverse opening 16 for passage of thecurrent wires 17, said opening being provided atoneor both sides of theknob with suitable bushings 18 and 19 respectively, screwed into theknob at each side. Bushing 19 is provided with a threaded extension 20upon Which is screwed the base 21 of the lamp socket 22 carrying thelamp 253. I

As thus constructed the operation of the device will be readilyunderstood.

The lamp may be raised or lowered or moved along the rod 2 by merelymanipuy Patented Ma1'.4,1913. Application chea er-29. 1912. Serial No.693.897.

'trated in Fig.

, for, and

lating the su porting hub 4 and its tightening nut, whi e the lamp 23may be turned around the central axis of shell 9 to any desired positionand will be there maintained by the spring-exerted friction.

The advantages of the invention reside in its simplicity ofconstruction, compact form, and facility for adjustment to suit anydesired position of the lamp. Thus it may be placed in erect arrangementas illus- 1, or may be throw'n'to the right or to the left at ahorizontal position,

or it may be completely inverted or varranged at any intervening angle.Likewise, as will be readily seen, the rod 2 maybe arranged horizontallyor otherwise and of any desired length, so that the lamp holder may beshifted along it to any point and there further adjusted as to the lampitself.

. These advantages will be readily appreciated by all those accustomedto the use of lamps, as in connection with mirrors, desks, drawingtables, etc. I c

Having described my invention, what I claim is:

1. In a lamp bracket, the combinationof a fixedly supported cylindricalsupporting Copies of this patent may be obtained for five cents each, byaddressing the relatively rotatable lamp supporting knob, and a holdingstem extending from said knob inwardly of said hollow stem and having a.friction exerting spring, substantially as set forth.

3, In a lamp bracket, the combination of a fixedly supported cylindricalsupportin rod, a hub slidingly mounted thereon an provided with clampindevices, aeghollow supporting stem exten ing laterally from said hub andhaving an inner terminal abutment at its outer end, a. lamp supportingknob provided with a stem extendlng inwardly of said hollow stem andhaving an inner terminal collar, and a friction-exerting spring bearingagainst said collar and abutment respectively and adapted to hold thelamp knob in varying positions, substantially as set forth.

4.. In a lamp bracket, the combination of a fixedly supportedcylindrical supporting rod, a hub slidingly mounted thereon an providedwith clamping devices, a hollow supporting stem extending laterally fromsaid hub and having an inner terminal abutment at its outer end, a lampsupporting knob provided with a stem extending inwardly of said,hollowstem and having an inner terminal collar, and a friction-exerting springbearing against said collarand abutment respectively and adapted to holdthe lamp knob in yarying positions, said knob having hollow bushingsadapted to provide for passage of current wires and to support alampbase, forth.

substantially as set In testimony whereof I hereunto afiix my signaturein the presence of two witnesses.

MOSHEIM T. BRENDLINGER. Witnesses:

C. M. CLARKE, H. HECK.

Washington. D. 51.

